ShowHideMenu = function()
		{
			/*var li = document.getElementById('nav').getElementsByTagName('li');*/
			var li = document.getElementById('nav');
			
			if (li != null)
			{
				li = document.getElementById('nav').getElementsByTagName('li');
				for (var i=0; i < li.length; i++)
				{
					if (li[i].className == "submenu")
					{
						li[i].onmouseover = function()
						{
							this.className+=" hover";
							var ul = this.getElementsByTagName("UL")(0);
							ul.style.display = "block";
						}
						
						li[i].onmouseout = function()
						{
							this.className=this.className.replace(new RegExp(" hover\\b"), "");
							var ul = this.getElementsByTagName("UL")(0);
	                        ul.style.display = "none";						    
						}
					}
				}
			}
		}
		if (window.attachEvent) window.attachEvent("onload", ShowHideMenu);